CN102728662A - Apparatus for correcting orifices of steel pipes - Google Patents
Apparatus for correcting orifices of steel pipes Download PDFInfo
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- CN102728662A CN102728662A CN2011100805929A CN201110080592A CN102728662A CN 102728662 A CN102728662 A CN 102728662A CN 2011100805929 A CN2011100805929 A CN 2011100805929A CN 201110080592 A CN201110080592 A CN 201110080592A CN 102728662 A CN102728662 A CN 102728662A
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Abstract
The invention discloses an apparatus for correcting orifices of steel pipes. The apparatus comprises a correcting hydraulic cylinder, a lifting mechanism, and a controlling device, wherein the correcting hydraulic cylinder can extend into orifices of steel pipes, the lifting mechanism can drive the correcting hydraulic cylinder to move up and down, and the controlling device is used for controlling the movement stroke of a piston rod of the correcting hydraulic cylinder. A cylinder body of the correcting hydraulic cylinder and the lifting mechanism are provided with a floating compensation device therebetween. An end portion of the piston rod of the correcting hydraulic cylinder, and an end of the cylinder body are provided with correcting tools respectively, wherein the end of the cylinder body is far away from the piston rod, and the correcting tools correct the orifices of the steel pipes by applying force at inner walls of the orifices of steel pipes. The correcting hydraulic cylinder is also provided with a detection device for detecting displacement of the piston rod, and the detection device is connected with the controlling device. The apparatus overcomes defects of conventional equipment for correcting the orifices of the steel pipes that the correcting effect is poor and the correcting operation is complex, and has advantages of accurate correction and simple operation.
Description
Technical field
The present invention relates to a kind of calibration equipment.Be specially a kind of steel pipe mouth of pipe calibration equipment.
Background technology
Steel pipe is in the process of transportation, storage and use, and its mouth of pipe Chang Yin is extruded stressed and produces certain mistake circle phenomenon, becomes ellipse, influences its installation and use.The mouth of pipe of general at present employing jack pair steel pipe is proofreaied and correct; Publication number is that the Chinese patent document of CN201353597Y discloses a kind of device of proofreading and correct the round steel pipe ovality, is made up of framework, platform, track, hydraulic jack, internal fixation plate and outer fixed head, and framework is a rectangular bar of steel structure; Platform is a steel plate; Be laid on the framework, track along platform middle part axis fix, the hydraulic jack lower base matches with track; The working end of hydraulic jack and platform axle line parallel, on the platform along the direction of hydraulic jack working end be equipped with in proper order internal fixation plate with outside fixed head.The device of this correction round steel pipe ovality, fixed head and internal fixation plate are located in addition, and the position pressurization with proofread and correct needs the working end of hydraulic jack makes round steel pipe produce deformation, reaches the purpose of calibration ellipsometer circularity.When adopting this device correction steel pipe, wayward to the operation of jack, calibration result is poor, very easily produces undercorrection or proofreaies and correct problem too, too can damage the mouth of pipe and produces waste thereby wherein proofread and correct.
In addition, the device of above-mentioned correction round steel pipe ovality is carrying out timing to steel pipe, need steel pipe be placed on the platform and with internal fixation plate and outer fixed head to fix, and some large-scale steel pipe volumes is big, weight is difficult to greatly place it on the platform.In addition, some have accomplished the installed steel pipe timing, need steel pipe be disassembled.Therefore, adopt the device of above-mentioned correction round steel pipe ovality steel pipe to be carried out the correction work amount is big, operating difficulties is complicated.
Summary of the invention
The technical problem that the present invention solves is to overcome the shortcoming of existing steel pipe mouth of pipe correction device weak effect and complicated operation, and a kind of calibration accuracy and steel pipe mouth of pipe calibration equipment simple to operate are provided.
Steel pipe mouth of pipe calibration equipment provided by the invention; The piston rod that comprises the correcting fluid cylinder pressure that can stretch into the steel pipe mouth of pipe, is connected with said correcting fluid cylinder pressure and drives the hoisting mechanism that said correcting fluid cylinder pressure moves up and down and be used to control said correcting fluid cylinder pressure is along the control device perpendicular to the movement travel of the axial-movement of the said steel pipe mouth of pipe; Be provided with cylinder body that allows said correcting fluid cylinder pressure and the floating compensation device that hoisting mechanism fluctuates relatively between the cylinder body of said correcting fluid cylinder pressure and the said hoisting mechanism; The cylinder body of the end of the piston rod of said correcting fluid cylinder pressure and said correcting fluid cylinder pressure is respectively equipped with the correcting tool of thereby the inwall application of force of the said steel pipe mouth of pipe being proofreaied and correct the steel pipe mouth of pipe away from the end of said piston rod; Said correcting fluid cylinder pressure also is provided with the checkout gear of the displacement that is used to detect said piston rod, and said checkout gear is connected with said control device.
As preferably; Said floating compensation device comprise first connecting axle, second connecting axle that is connected with said hoisting mechanism that is connected with the cylinder body of correcting fluid cylinder pressure and be located at said first connecting axle and said second connecting axle between T type groove and T type piece; Said first connecting axle perhaps overlaps with the parallel axes of said second connecting axle; Said T type piece partly puts in the said T type groove and can slide relatively with said T type groove, and the direction of slip is perpendicular to the axis of said first connecting axle and said second connecting axle.
As preferably; Said checkout gear comprise the magnet assembly that is located on the said piston rod be located on the said cylinder body can with the detection probe of said magnet assembly generation electromagnetic induction, said detection probe is connected with said control device with to the said control device transmission signal of telecommunication.
As further preferred, said piston rod is a hollow, and said magnet assembly is the magnet ring that is set on the said piston rod, and an end of said detection probe is connected with said cylinder body, and it is interior and pass said magnet ring that the other end puts in the piston rod of hollow.
As preferably, said control device comprises PLC and the control flow that is connected with said PLC.
As preferably; Thereby said hoisting mechanism comprises support, the riser that is provided with vertical track and drives said riser and move up and down along the track of said support and drive the lifting driver that the correcting fluid cylinder pressure moves up and down that said riser is connected with the correcting fluid cylinder pressure with said lifting driver respectively.
Preferred as further, said riser is provided with the roller that moves along said track.
Preferred as further; Said riser also is provided with and makes said correcting fluid cylinder pressure rotation and be located the rotary positioning apparatus at any position of rotation; Said rotary positioning apparatus comprises the sleeve that vertically is located on the said riser; Said second connecting axle is installed on the inwall of said sleeve through bearing; Said second connecting axle is parallel with the length direction of said sleeve and pass said sleeve and be connected with said correcting fluid cylinder pressure, and said sleeve is provided with the screwed hole perpendicular to the axis of said second connecting axle, is provided with an end in the said screwed hole and compresses said second connecting axle with the holding screw to said second connecting axle location.
As preferably, said correcting tool has the arcwall face that matches with the shape of said steel pipe mouth of pipe inwall.
As preferably, also comprise the toter that carries said correcting fluid cylinder pressure, hoisting mechanism and control device.
Steel pipe mouth of pipe calibration equipment provided by the invention is compared with prior art, has following beneficial effect:
1, inventing the steel pipe mouth of pipe calibration equipment that provides adopts hydraulic cylinder to proofread and correct as the distortion of drive unit line up; The movement travel of piston rod through the control hydraulic cylinder; Can reach the purpose of calibration accuracy; Prevent undercorrection and proofread and correct too, adopted the floating compensation device can prevent that correcting tool with steel pipe mouth of pipe top partially.
2, adopted the different movement travels that detect piston rods in real time of parameter of the signal of telecommunication that magnet assembly and detection probe produce at different relative positions generation electromagnetic induction, simple in structure and detect accurately.
3, the set-up mode of magnet ring and detection probe is simple and reliable, can guarantee the induction effect between detection probe and the magnet ring.
4, said riser is provided with the roller that moves along said track, and making the friction between the track of riser and support is rolling friction, can reduce friction greatly.
5, for accomplishing installed steel pipe; As be installed in the steel pipe in the fixed building; Can't make its rotation or make the difficulty of its rotation very big, if a plurality of positions of this steel pipe deform, and the direction of each position distortion is not simultaneously; Can adopt rotary positioning apparatus to make the correcting fluid cylinder pressure rotate to position and location that its axis overlaps with ellipse short shaft, thereby the distortion of different directions is proofreaied and correct.
6, said correcting tool has the arc-shaped surface that matches with the shape of said steel pipe mouth of pipe inwall, can match with the inwall of the mouth of pipe better, improves the accuracy of proofreading and correct simultaneously.
Description of drawings
Fig. 1 is the front view of the steel pipe mouth of pipe calibration equipment of one embodiment of the invention;
Fig. 2 be among hoisting mechanism Fig. 1 of the steel pipe mouth of pipe calibration equipment among Fig. 1 A to view;
Fig. 3 is the sketch map under the piston rod retract cylinder internal state of correcting fluid cylinder pressure of steel pipe mouth of pipe calibration equipment of one embodiment of the invention;
Fig. 4 stretches out the sketch map under the outer state of said cylinder body for the piston rod among Fig. 3;
Fig. 5 is the structural representation of rotary positioning apparatus of the steel pipe mouth of pipe calibration equipment of one embodiment of the invention;
Fig. 6 is T type groove and the structural representation of T type piece of the steel pipe mouth of pipe calibration equipment of one embodiment of the invention;
Fig. 7 is T type groove and the vertical view of T type piece among Fig. 6.
The specific embodiment
Fig. 1 is the front view of the steel pipe mouth of pipe calibration equipment of one embodiment of the invention, Fig. 2 be among hoisting mechanism Fig. 1 of the steel pipe mouth of pipe calibration equipment among Fig. 1 A to view.As shown in Figure 1; A kind of steel pipe mouth of pipe calibration equipment; The piston rod 4 that comprises the correcting fluid cylinder pressure 1 that can stretch into the steel pipe mouth of pipe 30, is connected with correcting fluid cylinder pressure 1 and drives the hoisting mechanism that said correcting fluid cylinder pressure 1 moves up and down and be used to control said correcting fluid cylinder pressure 1 is along the control device (not shown) perpendicular to the movement travel of the axial-movement of the said steel pipe mouth of pipe 30; Said control device is located in the control cabinet 26; Said correcting fluid cylinder pressure 1 moves up and down under the drive of hoisting mechanism; Be provided with the cylinder body 5 of the said correcting fluid cylinder pressure of permission and the floating compensation device that hoisting mechanism fluctuates relatively between the cylinder body 5 of said correcting fluid cylinder pressure and the said hoisting mechanism, said correcting fluid cylinder pressure 1 is connected with the hydraulic fluid tank 27 that hydraulic medium is provided for it.The end of the piston rod 4 of said correcting fluid cylinder pressure 1 and the cylinder body 5 of said correcting fluid cylinder pressure 1 are respectively equipped with the correcting tool 6 to the inwall application of force of the said steel pipe mouth of pipe 30 away from the end of said piston rod 4; Said correcting fluid cylinder pressure 1 also is provided with the checkout gear of the movement travel that is used to detect said piston rod 4, and said checkout gear is connected with said control device.
Steel pipe is in storage, transportation and use; Its mouth of pipe is by the just round ellipse that is deformed into; Adopt steel pipe mouth of pipe calibration equipment provided by the invention that the steel pipe mouth of pipe 30 is carried out timing, measure oval minor axis earlier, calculate ellipse is proofreaied and correct the stroke that needs operation for the piston rod 4 of positive bowlder correcting fluid cylinder pressure 1; And in control device, set relevant parameters, thereby the stroke of control piston bar 4.Start hoisting mechanism, will proofread and correct hydraulic cylinder 1 and be adjusted to roughly and flush, will proofread and correct hydraulic cylinder 1 and put in the steel pipe mouth of pipe 30 with the steel pipe mouth of pipe 30; Adjust hoisting mechanism again, the axle of correcting fluid cylinder pressure 1 is overlapped with oval minor axis, the correcting tool 6 of cylinder body 5 ends of correcting fluid cylinder pressure 1 is overlapped with a summit of ellipse short shaft; Start correcting fluid cylinder pressure 1; The piston rod 4 of correcting fluid cylinder pressure 1 is stretched out in cylinder body 5, and said checkout gear detects the displacement of said piston rod 4 in real time, when the correcting tool 6 of said piston rod 4 ends overlaps with another summit of ellipse short shaft; Distance between two correcting tools 6 of correcting fluid cylinder pressure 1 equals the length of ellipse short shaft; Piston rod 4 continues to stretch out, and the power that the correcting tool 6 of piston rod 4 is applied to the steel pipe mouth of pipe produces reaction force, and reaction force makes whole correcting fluid cylinder pressure 1 stretch out direction in the opposite direction through the floating compensation device to piston rod 4 and slides; The correcting tool 6 of cylinder body one end setting is exerted pressure to the inwall of the steel pipe mouth of pipe simultaneously; Piston rod 4 continues to stretch out simultaneously, and the inwall of 6 pairs of steel pipe mouths of pipe 30 of such two correcting tools applies outside power simultaneously, and the mouth of pipe of ellipse is propped up.When piston rod 4 moved to the stroke of setting, the mouth of pipe of steel pipe was corrected as just round, and control device cuts out the valve of correcting fluid cylinder pressure 1, and the piston rod 4 of correcting fluid cylinder pressure 1 is out of service, promptly accomplishes the correction of the steel pipe mouth of pipe 30.Steel pipe mouth of pipe calibration equipment provided by the invention adopts hydraulic cylinder to proofread and correct as the distortion of drive unit line up; The movement travel of piston rod 4 through the control hydraulic cylinder; Can reach the purpose of calibration accuracy; Prevent undercorrection and proofread and correct too, adopted the floating compensation device preventing steel pipe mouth of pipe to be pushed up inclined to one side phenomenon.
In the above-described embodiments; Said floating compensation device comprise first connecting axle 20, second connecting axle 21 that is connected with said hoisting mechanism that is connected with the cylinder body 5 of correcting fluid cylinder pressure and be located at said first connecting axle 20 and said second connecting axle 21 between T type groove 19 and T type piece 18; Said first connecting axle 20 perhaps overlaps with the parallel axes of said second connecting axle 21; Said T type piece 18 puts in said T type groove 19 and can slide relatively with said T type groove 19, and the direction of slip is perpendicular to the axis of said first connecting axle 20 and said second connecting axle 21.Fig. 6 is T type groove and the structural representation of T type piece of the steel pipe mouth of pipe calibration equipment of one embodiment of the invention, and Fig. 7 is T type groove and the vertical view of T type piece among Fig. 6.Like Fig. 6 and shown in Figure 7, said first connecting axle 20 is connected with T type groove 19 through flange 24, and second connecting axle 21 is connected with T type piece 18 through flange 24, and the two ends of T type groove 19 are provided with cover plate 25, prevent that T type piece 18 from skidding off in T type groove 19.The correcting tool 6 of piston rod 4 pushes up the minor axis summit of ellipse; Slide in the cylinder body 5 stressed tops of T type groove 19 relative T type pieces 18 in figure that connect hydraulic cylinder that make of correcting fluid cylinder pressure 1; Cylinder body 5 moves thereupon, and piston rod 4 continues to stretch out, when piston rod 4 is accomplished the stroke of setting; The correcting tool 6 of piston rod 4 and the correcting tool of cylinder body 56 are accomplished just and are proofreaied and correct, and avoid occurring pushing up inclined to one side phenomenon.
Fig. 3 is the sketch map under the piston rod retract cylinder internal state of correcting fluid cylinder pressure of steel pipe mouth of pipe calibration equipment of one embodiment of the invention, and Fig. 4 stretches out the sketch map under the outer state of said cylinder body for the piston rod among Fig. 3.Said checkout gear comprises the magnet assembly 7 that is located on the said piston rod 4 and is located at the detection probe 8 that electromagnetic induction can take place with said magnet assembly 7 on the said cylinder body 5 that said detection probe 8 is connected with said control device to send the signal of telecommunication to said control device.In the present embodiment; Said detection probe 8 is connected through conductor wire commonly used with said control device, and in the process of piston rod 4 operations, detection probe 8 cutting magnetic lines produce electric current and are delivered to control device; When the relative position of magnet assembly 7 and detection probe 8 changes; Parameters such as the current strength of electric current, voltage also can change, and when the parameter of setting in the parameter of electric current and the control device matched, piston rod 4 promptly moves set stroke; Completion is to the correction of the steel pipe mouth of pipe 30, and control device promptly cuts out the valve of correcting fluid cylinder pressure 1.In other embodiments, said detection probe 8 also can be wireless connections with said control device.The present invention has adopted the different shift motions that detect piston rods 4 in real time of parameter of the signal of telecommunication that magnet assembly 7 and detection probe 8 produce at different relative positions generation electromagnetic induction, and is simple in structure and detect accurately.
In the above-described embodiments; Said piston rod 4 is a hollow; Said magnet assembly 7 is for to be set in the magnet ring on the said piston rod 4, and an end of said detection probe 8 is connected with said cylinder body 5, and the wall that the other end passes cylinder body 5 puts in the piston rod 4 of hollow and passes said magnet ring.The set-up mode of magnet ring and detection probe 8 is simple and reliable, can guarantee the induction effect between detection probe 8 and the magnet ring.
In the above-described embodiments, said control device (not shown) comprises PLC (Programmable Logic Controller) and the control flow that is connected with said PLC, and the preferred touch screen of said control flow is convenient to operation.
In the above-described embodiments; Said hoisting mechanism comprises support 9, riser 10 and promotes driver; Said support 9 is provided with vertical track 11; Said riser 10 is connected with correcting fluid cylinder pressure 1 with said lifting driver respectively, and said riser 10 moves up and down at the track 11 of the said support 9 in the driving lower edge of said lifting driver, moves up and down thereby drive correcting fluid cylinder pressure 1.Said riser 10 can with said track 11 between directly contact, for sliding friction, said riser 10 also can be provided with the roller 12 that moves along said track 11 between the two, is between the two rolling friction to reduce friction greatly.Said lifting driver can be and promotes hydraulic cylinder 13, moves up and down thereby also can be driven by motor eccentric part driving hydraulic cylinder.
Fig. 5 is the structural representation of rotary positioning apparatus of the steel pipe mouth of pipe calibration equipment of one embodiment of the invention.Said riser 10 also is provided with and makes said correcting fluid cylinder pressure 1 rotation and be located the rotary positioning apparatus at any position of rotation; Said rotary positioning apparatus comprises the sleeve 14 that vertically is located on the said riser 10; Said sleeve 14 is cylindrical, also can be rectangle tubular or other tubular.Said second connecting axle 21 is installed on the said riser 10 through bearing or on the inwall of sleeve 14, said first connecting axle 20 is cylindrical with said second connecting axle 21.Said second connecting axle 21 is parallel with the length direction of said sleeve 14 and pass said sleeve 14 and be connected with said correcting fluid cylinder pressure 1; Said sleeve 14 is provided with the screwed hole perpendicular to the axis of said second connecting axle 21, is provided with an end in the said screwed hole and compresses said second connecting axle 21 with the holding screw 16 to said second connecting axle 21 location.For accomplishing installed steel pipe,, can't make its rotation or make the difficulty of its rotation very big as being installed in the steel pipe in the fixed building; If a plurality of positions of this steel pipe deform, and the direction of each position distortion is not simultaneously, rotatable second connecting axle 21; Thereby second connecting axle 21 drives first connecting axle 20 and drives 1 rotation of correcting fluid cylinder pressure; Make correcting fluid cylinder pressure 1 rotate to the position that its axis overlaps with ellipse short shaft, and tighten holding screw 16, an end of holding screw 16 is pressed on second connecting axle 21; Second connecting axle 21 is positioned at this position, thereby the distortion of different directions is proofreaied and correct.The end that said holding screw 16 contacts with second connecting axle 21 can be provided with locating surface 17 to increase the frictional force of 21 of the holding screw 16 and second connecting axles, improves the reliability of location, and the other end of holding screw 16 is provided with handle 23, so that positioning action.
In the above-described embodiments, said correcting tool 6 has the arcwall face that matches with the shape of the said steel pipe mouth of pipe 30 inwalls, can match with the inwall of the mouth of pipe better, improves the accuracy of proofreading and correct simultaneously.
In the above-described embodiments; Also comprise the toter 22 that carries said correcting fluid cylinder pressure 1, hoisting mechanism and control device; Said toter 22 can adopt the small handcart of band pushing hands; Also can adopt electric motor car or other power-actuated toter 22, can make the position that whole calibration equipment moves to easily to be needed.
Above embodiment is merely exemplary embodiment of the present invention, is not used in restriction the present invention, and protection scope of the present invention is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the present invention in essence of the present invention and protection domain, this modification or be equal to replacement and also should be regarded as dropping in protection scope of the present invention.
Claims (10)
1. steel pipe mouth of pipe calibration equipment; It is characterized in that: the piston rod that comprises the correcting fluid cylinder pressure that can stretch into the steel pipe mouth of pipe, is connected with said correcting fluid cylinder pressure and drives the hoisting mechanism that said correcting fluid cylinder pressure moves up and down and be used to control said correcting fluid cylinder pressure is along the control device perpendicular to the movement travel of the axial-movement of the said steel pipe mouth of pipe; Be provided with cylinder body that allows said correcting fluid cylinder pressure and the floating compensation device that hoisting mechanism fluctuates relatively between the cylinder body of said correcting fluid cylinder pressure and the said hoisting mechanism; The cylinder body of the end of the piston rod of said correcting fluid cylinder pressure and said correcting fluid cylinder pressure is respectively equipped with the correcting tool of thereby the inwall application of force of the said steel pipe mouth of pipe being proofreaied and correct the steel pipe mouth of pipe away from the end of said piston rod; Said correcting fluid cylinder pressure also is provided with the checkout gear of the displacement that is used to detect said piston rod, and said checkout gear is connected with said control device.
2. steel pipe mouth of pipe calibration equipment according to claim 1; It is characterized in that: said floating compensation device comprise first connecting axle, second connecting axle that is connected with said hoisting mechanism that is connected with the cylinder body of correcting fluid cylinder pressure and be located at said first connecting axle and said second connecting axle between T type groove and T type piece; Said first connecting axle perhaps overlaps with the parallel axes of said second connecting axle; Said T type piece partly puts in the said T type groove and can slide relatively with said T type groove, and the direction of slip is perpendicular to the axis of said first connecting axle and said second connecting axle.
3. steel pipe mouth of pipe calibration equipment according to claim 1; It is characterized in that: said checkout gear comprise the magnet assembly that is located on the said piston rod be located on the said cylinder body can with the detection probe of said magnet assembly generation electromagnetic induction, said detection probe is connected with said control device with to the said control device transmission signal of telecommunication.
4. steel pipe mouth of pipe calibration equipment according to claim 3; It is characterized in that: said piston rod is a hollow; Said magnet assembly is the magnet ring that is set on the said piston rod, and an end of said detection probe is connected with said cylinder body, and the other end puts in the piston rod of hollow and passes said magnet ring.
5. steel pipe mouth of pipe calibration equipment according to claim 1 is characterized in that: said control device comprises PLC and the control flow that is connected with said PLC.
6. steel pipe mouth of pipe calibration equipment according to claim 1; It is characterized in that: thus said hoisting mechanism comprises support, the riser that is provided with vertical track and drives said riser and move up and down along the track of said support and drive the lifting driver that the correcting fluid cylinder pressure moves up and down that said riser is connected with the correcting fluid cylinder pressure with said lifting driver respectively.
7. steel pipe mouth of pipe calibration equipment according to claim 6 is characterized in that: said riser is provided with the roller that moves along said track.
8. steel pipe mouth of pipe calibration equipment according to claim 6; It is characterized in that: said riser also is provided with and makes said correcting fluid cylinder pressure rotation and be located the rotary positioning apparatus at any position of rotation; Said rotary positioning apparatus comprises the sleeve that vertically is located on the said riser; Said second connecting axle is installed on the inwall of said sleeve through bearing; Said second connecting axle is parallel with the length direction of said sleeve and pass said sleeve and be connected with said correcting fluid cylinder pressure; Said sleeve is provided with the screwed hole perpendicular to the axis of said second connecting axle, is provided with an end in the said screwed hole and compresses said second connecting axle with the holding screw to said second connecting axle location.
9. steel pipe mouth of pipe calibration equipment according to claim 1 is characterized in that: said correcting tool has the arcwall face that matches with the shape of said steel pipe mouth of pipe inwall.
10. steel pipe mouth of pipe calibration equipment according to claim 1 is characterized in that: also comprise the toter that carries said correcting fluid cylinder pressure, hoisting mechanism and control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080592.9A CN102728662B (en) | 2011-03-31 | 2011-03-31 | A kind of calibration equipment for steel pipe nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080592.9A CN102728662B (en) | 2011-03-31 | 2011-03-31 | A kind of calibration equipment for steel pipe nozzle |
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| Publication Number | Publication Date |
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| CN102728662A true CN102728662A (en) | 2012-10-17 |
| CN102728662B CN102728662B (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110080592.9A Active CN102728662B (en) | 2011-03-31 | 2011-03-31 | A kind of calibration equipment for steel pipe nozzle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317031A (en) * | 2013-07-05 | 2013-09-25 | 江苏华阳金属管件有限公司 | Pipe fitting shaping die |
| CN109760082A (en) * | 2019-01-14 | 2019-05-17 | 山东昊华轮胎有限公司 | Tire fixture for articulated robot |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838285A (en) * | 2018-06-15 | 2018-11-20 | 中国重型机械研究院股份公司 | A kind of hydraulic direct-acting type steel pipe expanding head |
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| JPH08229613A (en) * | 1995-02-28 | 1996-09-10 | Toshiba Corp | Method for correcting roundness of pipe and device therefor |
| JP2004114083A (en) * | 2002-09-25 | 2004-04-15 | Toshiba Corp | Pipe forming apparatus |
| JP3789047B2 (en) * | 1999-02-03 | 2006-06-21 | 株式会社日立製作所 | Straightening device, measuring device and measuring method |
| CN101825883A (en) * | 2010-04-12 | 2010-09-08 | 中国石油集团渤海石油装备制造有限公司 | Tubing intelligent forming detection and correction method and tubing forming system |
| CN202021239U (en) * | 2011-03-31 | 2011-11-02 | 廊坊市管道人机械设备有限公司 | Calibration equipment for steel pipe nozzle |
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| CN1088492A (en) * | 1992-12-22 | 1994-06-29 | 贾春德 | The process and the equipment of steel pipe school circle |
| JPH08229613A (en) * | 1995-02-28 | 1996-09-10 | Toshiba Corp | Method for correcting roundness of pipe and device therefor |
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| CN103317031A (en) * | 2013-07-05 | 2013-09-25 | 江苏华阳金属管件有限公司 | Pipe fitting shaping die |
| CN109760082A (en) * | 2019-01-14 | 2019-05-17 | 山东昊华轮胎有限公司 | Tire fixture for articulated robot |
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| CN102728662B (en) | 2015-11-04 |
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